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242268

Sigma-Aldrich

Activated charcoal

greener alternative

DARCO®, 20-40 mesh particle size, granular

Synonym(s):

Charcoal activated

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About This Item

Empirical Formula (Hill Notation):
C
CAS Number:
7440-44-0
Molecular Weight:
12.01
EC Number:
231-153-3
MDL number:
MFCD00133992
UNSPSC Code:
23201100
PubChem Substance ID:
329752604
NACRES:
SB.52

vapor pressure

<0.1 mmHg ( 20 °C)

Quality Level

200

form

granular

autoignition temp.

842 °F

manufacturer/tradename

DARCO®

greener alternative product characteristics

Design for Energy Efficiency
Learn more about the Principles of Green Chemistry.

sustainability

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resistivity

1375 μΩ-cm, 20°C (graphite)

impurities

≤0.4% dust
≤12% moisture content

particle size

20-40 mesh

mp

3550 °C (lit.)

greener alternative category

, Enabling

SMILES string

[C]

InChI

1S/C

InChI key

OKTJSMMVPCPJKN-UHFFFAOYSA-N

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General description

We are committed to bringing you Greener Alternative Products, which adhere to one or more of The 12 Principles of Greener Chemistry. This product has been enhanced for energy efficiency. Click here for more details.

Application

Activated charcoal (DARCO®, 20-40 mesh particle size, granular) can be used in the selective adsorption of phenanthrene with an excellent selectivity of ~74. It can also be used in the adsorption of metals like lead, copper, cobalt, and chromium from aqueous solution.

Other Notes

Acid-washed lignite carbon for general uses.

Legal Information

DARCO is a registered trademark of Cabot Norit Americas, Inc.

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Removal of lead copper chromium and cobalt ions onto granular activated carbon in batch and fixed-bed adsorbers.
Sulaymon AH, et al.
Chemical Engineering Journal, 155(3), 647-653 (2009)
A Verena Maffei et al.
Langmuir : the ACS journal of surfaces and colloids, 22(9), 4225-4229 (2006-04-19)
The adsorption/desorption of N2 at 77 K and the adsorption from aqueous solution at 298 K of four organic probe molecules of different sizes (phenol, 4-nitrophenol, orange II, naphthol green B) were studied for a phthalocyanine network polymer of intrinsic
Selective adsorption of phenanthrene dissolved in surfactant solution using activated carbon
Ahn CK, et al.
Chemosphere, 69(11), 1681-1688 (2007)
C K Ahn et al.
Journal of hazardous materials, 154(1-3), 153-160 (2007-11-17)
The performance of activated carbon in soil washing and subsequent selective adsorption for surfactant recovery from the washed solution was investigated. Sandy loam soil contaminated with phenanthrene at 200 mg kg(-1) was washed with four different nonionic surfactants: Tween 40
Activated carbon for gas separation and storage
Sircar S, et al.
Carbon, 34(1), 1-12 (1996)
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